Table 2 Clinicopathological characteristics of stage III patients
|  | EP group(n = 23) | NEP group(n = 25) | p value |
|---|---|---|---|
Age (years) | 80.5 ± 4.9 | 62.2 ± 8.92 |  < 0.001 |
Sex | 0.075 | ||
 Male | 21 (91.3) | 17 (68.0) |  |
 Female | 2 (8.7) | 8 (32.0) |  |
CCI | 0.067 | ||
 Low | 6 (26.1) | 13 (52.0) |  |
 Moderate/severe | 17 (73.9) | 12 (48.0) |  |
mFI | 0.087 ± 0.068 | 0.051 ± 0.058 | 0.068 |
Tumor size (mm) | 64.1 ± 27.5 | 69.9 ± 31.2 | 0.174 |
Depth of tumor invasion | 0.548 | ||
 T1 | 0 | 0 |  |
 T2 | 2 (8.7) | 2 (8.0) |  |
 T3 | 10 (43.5) | 14 (56.0) |  |
 T4 | 11 (47.8) | 9 (36.0) |  |
Lymph node metastasis | 0.845 | ||
 N0 | 0 | 0 |  |
 N1 | 2 (8.7) | 3 (12.0) |  |
 N2 | 11 (47.8) | 9 (36.0) |  |
 N3 | 10 (43.5) | 13 (52.0) |  |
Histologic type | 1.000 | ||
 Differentiated | 8 (34.8) | 8 (32.0) |  |
 Undifferenciated | 15 (65.2) | 17 (68.0) |  |
Lymphatic invasion | 0.214 | ||
 ly0 | 0 | 0 |  |
 ly1 | 4 (17.4) | 3 (12.0) |  |
 ly2 | 8 (34.8) | 15 (60.0) |  |
 ly3 | 11 (47.8) | 7 (28.0) |  |
Venous invasion | 0.907 | ||
 v0 | 2 (8.7) | 3 (12.0) |  |
 v1 | 9 (39.1) | 10 (40.0) |  |
 v2 | 9 (39.1) | 10 (40.0) |  |
 v3 | 3 (13.1) | 2 (8.0) |  |